445665410000 has 50 divisors (see below), whose sum is σ = 1079000548362. Its totient is φ = 178266160000.

The previous prime is 445665409961. The next prime is 445665410033. The reversal of 445665410000 is 14566544.

It can be written as a sum of positive squares in 5 ways, for example, as 196217105296 + 249448304704 = 442964^2 + 499448^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22273271 + ... + 22293270.

Almost surely, 2^445665410000 is an apocalyptic number.

445665410000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445665410000 is an abundant number, since it is smaller than the sum of its proper divisors (633335138362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445665410000 is an equidigital number, since it uses as much as digits as its factorization.

445665410000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44566569 (or 44566548 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 445665410000 its reverse (14566544), we get a palindrome (445679976544).

The spelling of 445665410000 in words is "four hundred forty-five billion, six hundred sixty-five million, four hundred ten thousand".